John Ritter (Steve Nichols)
Anne Archer (J. Marsh)
Kevin McCarthy (Calvin Donnelly)
Bert Convy (Walter Reeves)
Harry Bellaver (Eddie)
Kenneth Tobey (Fire Chief)
Jack Somack (Waiter)
Robin Sherwood (Lab. Assistant)
William Robertson (Bum)
Michael Prince (Dignitary)
A.J. Carothers (Stage Director)
Gary Combs (Holdup Man)
Allan Rich (Marty Fields)
Joseph Stern (Assistant Director)
Frank Casey (Reporter)
Lenny Geer (1st Thug)
James O'Connell (Stage Manager)
Kenneth Cory (Actor/Actress)
Lionel Pina (3rd Teenager)
Church Ortiz (Grocery Store Punk)
Neil Barry (1st Teenager)
Gerry Black (Hero at Fire)
William Bogert (TV Moderator)
Joyce Brothers (Herself)
Robert Carricart (Reporter)
Gerald Castillo (Heroes at Fire)
Rita Crafts (Woman in Crowd)
Trish Doolan (Actor/Actress)
Garry Goodrow (TV Reporter)
Kevin Bacon (2nd Teenager)
Bryan O'Byrne (Scientist)
Michael Leon (Grocery Store Punk)
Gary Klar (Cameraman)
Peter Iacangelo (Man at Rally)
Michael Gorrin (Mr. Rothberg)
Anita Dangler (Mrs. Havacheck)
Jane Hallaren (Gloria Preston)
Leonard Harris (Mayor)
Rick Podell (Milo)